diff --git a/ATK/EQ/LinkwitzRileyFilter.cpp b/ATK/EQ/LinkwitzRileyFilter.cpp
index b025b646..df0a40b2 100644
--- a/ATK/EQ/LinkwitzRileyFilter.cpp
+++ b/ATK/EQ/LinkwitzRileyFilter.cpp
@@ -139,10 +139,6 @@ namespace ATK
   template class IIRFilter<LinkwitzRiley4HighPassCoefficients<float> >;
   template class IIRFilter<LinkwitzRiley4HighPassCoefficients<double> >;
 
-  template class IIRTDF2Filter<LinkwitzRileyLowPassCoefficients<float> >;
-  template class IIRTDF2Filter<LinkwitzRileyLowPassCoefficients<double> >;
-  template class IIRTDF2Filter<LinkwitzRileyHighPassCoefficients<float> >;
-  template class IIRTDF2Filter<LinkwitzRileyHighPassCoefficients<double> >;
   template class IIRTDF2Filter<LinkwitzRiley4LowPassCoefficients<float> >;
   template class IIRTDF2Filter<LinkwitzRiley4LowPassCoefficients<double> >;
   template class IIRTDF2Filter<LinkwitzRiley4HighPassCoefficients<float> >;